CN108352590B - Zinc-air battery module - Google Patents

Zinc-air battery module Download PDF

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Publication number
CN108352590B
CN108352590B CN201680066608.1A CN201680066608A CN108352590B CN 108352590 B CN108352590 B CN 108352590B CN 201680066608 A CN201680066608 A CN 201680066608A CN 108352590 B CN108352590 B CN 108352590B
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China
Prior art keywords
air
zinc
battery module
oxygen
gas storage
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CN201680066608.1A
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Chinese (zh)
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CN108352590A (en
Inventor
柳秉勋
公载景
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EMW Energy Co Ltd
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EMW Energy Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • H01M12/065—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode with plate-like electrodes or stacks of plate-like electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/236—Hardness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/238—Flexibility or foldability
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/253—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders adapted for specific cells, e.g. electrochemical cells operating at high temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Hybrid Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a zinc-air battery module, and more particularly, to a zinc-air battery module including: a housing part in which a sealed space is formed; a gas storage unit located in one region of the housing unit, and configured to inject air or oxygen into the housing unit; and a zinc-air battery unit located in another region of the housing portion, and including at least one zinc-air cell for generating electricity when supplied with air or oxygen.

Description

Zinc-air battery module
Technical Field
The present invention relates to a zinc-air battery module which can be used even in an underwater environment and has excellent long-term storage stability.
Background
Batteries (batteries) have been widely used as means for supplying electric power to electric appliances. Currently, primary batteries such as manganese dry batteries, alkaline manganese dry batteries, and zinc-air (zinc-air) batteries, and secondary batteries such as nickel-cadmium (Ni-Cd) batteries, nickel-hydrogen (Ni-H) batteries, and lithium ion batteries are used as batteries. Among them, the zinc-air battery has advantages of providing a relatively high voltage of 1.4V, and having high energy density and large discharge capacity. Since almost all of the batteries exhibit a constant discharge characteristic until the end of discharge, they are considered to be dry batteries that can replace mercury batteries whose use is suppressed due to the inclusion of heavy metals.
Because of the above advantages, the zinc-air battery is particularly widely used for military weapons or equipment, but it is difficult to apply the zinc-air battery to military weapons (e.g., torpedoes, etc.) or equipment operating in an underwater environment because the supply of ambient air in the water is cut off.
On the other hand, in order to overcome the above-mentioned problems, it is also conceivable to apply a lithium ion battery that does not require air supply, but the lithium ion battery has the following problems: since continuous discharge occurs at ordinary times, when electricity is required to be generated, the operation of weapons or equipment may be poor due to excessive discharge of the lithium ion battery.
Disclosure of Invention
(problems to be solved)
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a zinc-air battery module which can be used even in an underwater environment in which air supply is cut off, and has excellent stability in long-term storage.
(means for solving the problems)
The object is achieved by the present invention, which provides a zinc-air battery module comprising: a housing part in which a sealed space is formed; a gas storage unit which is located inside or outside the housing unit and into which air or oxygen is injected; and a zinc-air battery part which is located in one area of the accommodating part and comprises at least one zinc-air single battery which generates electricity when air or oxygen is supplied.
The housing portion may be in the form of a hard shell.
Further, the receiving portion may be in the form of a flexible (flexible) film.
Further, the gas storage part maintains a closed state, and thereafter, the gas storage part may discharge air or oxygen by an open signal or an open action of a user.
Further, the gas storage unit is maintained in a closed state, and then the gas storage unit is opened by an electric signal or physical pressure transmitted from the outside, so that air or oxygen can be discharged.
(effect of the invention)
The zinc-air battery module according to the present invention can cut off the internal permeation of moisture even when used in water by the housing part forming the sealed space, and can supply air or oxygen as needed by the gas storage part provided in the housing part, and therefore, unlike the conventional zinc-air battery, has an advantage that it can be used even in an environment where air cannot be supplied.
In addition, the zinc-air battery module of the present invention is excellent in long-term storage property because the inflow of outside air is normally shut off and discharge hardly occurs.
Drawings
Fig. 1 is a view illustrating the structure of a zinc-air battery module according to one example of the present invention.
Fig. 2 is a view illustrating the structure of a zinc-air battery module according to other examples of the present invention.
Fig. 3 is a conceptual diagram illustrating a zinc-air battery module according to still other examples of the present invention.
Detailed Description
While the invention is amenable to various modifications and alternative forms, specifics thereof have been shown by way of example in the drawings and will be described in detail. However, the present invention is not limited to the specific embodiments, and all modifications, equivalents, and alternatives falling within the spirit and technical scope of the present invention are to be understood as included. When the present invention is explained, detailed explanation thereof will be omitted when it is judged that the detailed explanation of the related known technology can obscure the gist of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular references, when not explicitly stated otherwise in the text, include plural references. In the present application, the terms "including" or "having" or the like refer to the presence of a feature, a number, a step, an action, a constituent element, a component, or a combination thereof described in the specification, and it should be understood that the presence or possibility of addition of one or more other features, steps, actions, constituent elements, components, or combinations thereof is not previously excluded.
The terms first, second, etc. may be used to describe various components, but the components are not limited by the terms. The term is used for the purpose of distinguishing one component from another.
The present invention relates to a zinc-air battery module, and more particularly, to a zinc-air battery module including: a housing part in which a sealed space is formed; a gas storage unit which is located inside or outside the housing unit and into which air or oxygen can be injected; and a zinc-air battery unit located in another region of the housing portion, and including at least one zinc-air cell for generating electricity when supplied with air or oxygen.
In the present invention, the housing portion may be in any form, for example, a hard shell form, a flexible (flexible) film form, or the like, in which a sealed space is formed inside. When the housing portion is in the form of a hard case, the housing portion may be made of a variety of materials such as metal and polymer resin, which has advantages in that the gas storage portion and the zinc-air battery portion inside the housing portion are protected from external impact to some extent, and the battery module is excellent in storage safety. On the contrary, when the receiving part is formed in a flexible (flexible) film form, the receiving part may be formed of various flexible materials such as rubber, and in this case, the storage stability of the battery module is lowered compared to the hard case form, but the shape is flexible due to deformation of the outer shape, and the battery module can be conveniently installed at a desired position, and thus, there is an advantage in that the space utility is high.
The housing part of the zinc-air battery module according to the present invention forms a sealed space inside thereof, and therefore, even if immersed in water, the flow of water into the battery module can be cut off.
In the present invention, the gas storage portion, which is located inside or outside the housing portion and is capable of injecting air or oxygen into the housing portion, stores a certain amount of air or oxygen therein, and the form of the gas storage portion is not particularly limited, and for example, air or oxygen may be stored therein in various forms such as a hard shell form or a flexible (flexible) tube form.
Preferably, the structure of the gas storage part is normally maintained in a closed state, and then, when the zinc-air battery module of the present invention needs to generate power, air or oxygen is discharged by any opening signal or opening action of a user, or air or oxygen is discharged by an electrical signal or physical pressure transmitted from the outside being opened. For example, when a user presses the gas storage part in the form of a tube provided in the zinc-air module of the present invention with a certain pressure in a critical situation where electricity is required, the weak part of the gas storage part is broken and air or oxygen present in the gas storage part is discharged to the sealed space in the housing part, whereby the discharged air or oxygen is supplied to the zinc-air battery part in the battery module, and electricity can be generated.
In the present invention, the zinc-air battery portion located in one region within the housing portion does not discharge electricity because the supply of air or oxygen is normally shut off within the sealed housing portion, but when air or oxygen flows out from the gas storage portion, electricity can be generated because the supply of air or oxygen is formed in the zinc-air battery portion.
The zinc-air battery part includes at least one zinc-air unit cell of the basic battery unit. The zinc-air battery cell may carry a desired appropriate number according to the field to which the zinc-air battery module of the present invention is applied, and a plurality of zinc-air battery cells may be stacked to form one battery cell according to circumstances, or at least one or more of these battery cells may be carried.
The zinc-air single battery has the following structure: an air electrode portion including an air diffusion layer, a catalyst active layer, and the like; a cathode electrode part including zinc (Zn) and electrolyte mixed zinc gel or the like; and a separator (separator) disposed between the air electrode part and the cathode electrode part for preventing short circuit.
In the form of the zinc-air unit cell of the present invention, any form may be used, but in view of space efficiency, when a battery cell is formed of a laminate structure, a plate-type zinc-air unit cell structure is preferably used. In this case, a space having a convex shape is formed on the air electrode side of the zinc-air unit cell, and when the zinc-air unit cell is stacked to form a cell unit, a space through which air can smoothly pass is formed between the stacked zinc-air unit cells. Accordingly, not only can air be smoothly supplied to each zinc-air cell constituting the battery unit, but also air flow inside the case of the zinc-air battery module of the present invention can be made smooth.
The battery unit is electrically connected in series or in parallel with a plurality of zinc-air unit cells, and has a structure in which the zinc-air unit cells are stacked. In the invention, a plurality of zinc-air single batteries are connected in series or in parallel to form a battery unit, so that the zinc-air single batteries can be applied to electric products for multiple purposes such as household use, industrial use, military use and the like, and are beneficial to improving the voltage.
In the present invention, the number of zinc-air cells constituting a unit cell is not particularly limited, and the number of zinc-air cells per unit cell can be arbitrarily determined according to the use of the battery module of the present invention.
The zinc-air battery module of the present invention can cut off the internal permeation of moisture even when used in water by forming the housing part of the sealed space, and can supply air or oxygen as necessary by the gas storage part into which air or oxygen can be injected. Therefore, unlike the conventional zinc-air battery, it has an advantage of being usable even in an environment where air cannot be supplied in water, and thus, is applicable to military weapons (e.g., torpedoes), underwater equipment, and the like.
In addition, the zinc-air battery module of the present invention has excellent long-term storage characteristics because the inflow of external air is normally shut off and almost no discharge occurs, and can generate electricity by supplying air or oxygen through the optional opening of the gas storage unit when electric energy is required. Therefore, the device is particularly suitable for military weapons (such as torpedoes and missiles) and is not needed in normal times, but is used in the field needing normal operation in special periods (such as wartime).
Hereinafter, the present invention will be described with reference to the accompanying drawings to assist understanding thereof. The following drawings are merely an example to aid understanding of the present invention and do not limit the invention thereto.
Fig. 1 is a view illustrating the structure of a zinc-air battery module according to one example of the present invention. Referring to fig. 1, a zinc-air battery module according to an exemplary embodiment of the present invention includes a housing-shaped housing portion 100 formed of a flexible material and having an internal space sealed from the outside, a zinc-air battery unit 300 formed of a single zinc-air cell having a plurality of air holes and mounted on an inner lower end portion of the housing-shaped housing portion 100, and a gas storage portion 200 capable of injecting air or oxygen is provided in a region inside the housing portion 100.
When the gas storage unit 200 is closed at ordinary times and no discharge occurs, but when the user pushes and breaks the gas storage unit 200 when power is required, air or oxygen flows out from the gas storage unit 200, and the air or oxygen flowing out is supplied to the zinc-air battery unit 300, so that electricity can be generated.
Fig. 2 shows a structure of a zinc-air battery module according to another example of the present invention, and the zinc-air battery module according to another example of the present invention shown in fig. 2 has an internal space that is cut off from the outside to provide a seal, and has a housing-shaped housing portion 100 formed of a flexible material, and a zinc-air battery portion 300 formed of one zinc-air cell having a plurality of air holes is mounted on an inner lower end portion of the housing-shaped housing portion 100. A gas storage unit 200 into which air or oxygen can be injected is coupled to an outer surface of the housing unit 100, and the gas storage unit 200 and the housing unit 100 are communicated by an air or oxygen injection passage gas injection pipe 210.
Fig. 3 is a conceptual diagram illustrating a zinc-air battery module according to another example of the present invention, and according to fig. 2, a gas storage unit 200 is provided in one region inside a housing unit 100 providing a sealed space, and a zinc-air battery unit 300 including four zinc- air unit cells 310, 320, 330, and 340 is provided in another region inside the housing unit 100.
As described above, it is understood by those skilled in the art to which the present invention pertains that the present invention can be implemented in other specific embodiments without changing the technical ideas or essential features thereof. The scope of the present invention is defined by the claims of the present invention rather than the detailed description given above, and all modifications and variations derived from the meaning and range of the claims and the equivalent concept thereof are to be construed as being included in the scope of the present invention.

Claims (5)

1. A zinc-air battery module, comprising:
a housing part in which a sealed space is formed;
a gas storage unit which is located inside or outside the housing unit and into which air or oxygen can be injected; and
a zinc-air battery part which is positioned in one area of the accommodating part and comprises at least one zinc-air single battery which generates electricity when supplying air or oxygen,
the structure of the zinc-air single battery comprises: an air electrode section; a cathode electrode part including zinc gel mixed with zinc and electrolyte; and a separator located between the air electrode part and the cathode electrode part and preventing a short circuit,
when the battery unit is formed in a stacked structure, a plate-type zinc-air unit cell structure is used, and in this case, a protruding spacer is formed on the air electrode side of the zinc-air unit cell.
2. The zinc-air battery module of claim 1,
the housing portion is in the form of a hard shell.
3. The zinc-air battery module of claim 1,
the receiving portion is in the form of a flexible film.
4. The zinc-air battery module of claim 1,
the gas storage portion maintains a closed state, and then the gas storage portion discharges air or oxygen by an open signal or an open action of a user.
5. The zinc-air battery module of claim 1,
the gas storage unit is maintained in a closed state, and then the gas storage unit is opened by an electric signal or physical pressure transmitted from the outside to discharge air or oxygen.
CN201680066608.1A 2015-11-16 2016-11-08 Zinc-air battery module Active CN108352590B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020150160101A KR20170056821A (en) 2015-11-16 2015-11-16 Zinc-air cell module
KR10-2015-0160101 2015-11-16
PCT/KR2016/012783 WO2017086642A1 (en) 2015-11-16 2016-11-08 Air-zinc battery module

Publications (2)

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CN108352590A CN108352590A (en) 2018-07-31
CN108352590B true CN108352590B (en) 2021-10-26

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US (1) US11411271B2 (en)
EP (1) EP3373386A4 (en)
JP (1) JP6669863B2 (en)
KR (1) KR20170056821A (en)
CN (1) CN108352590B (en)
WO (1) WO2017086642A1 (en)

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CN102523643A (en) * 2011-11-16 2012-06-27 美的集团有限公司 Coil panel of electromagnetic oven
CN202352802U (en) * 2011-12-08 2012-07-25 北京中航长力能源科技有限公司 Oxygen supply device for dry discharged zinc air battery pack
CN104377341A (en) * 2014-11-24 2015-02-25 安徽农业大学 Temperature-control circulating electrolyte supplementing zinc-oxygen battery system

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CN108352590A (en) 2018-07-31
WO2017086642A1 (en) 2017-05-26
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JP2018532241A (en) 2018-11-01
JP6669863B2 (en) 2020-03-18
KR20170056821A (en) 2017-05-24
EP3373386A4 (en) 2019-06-12
US20190123408A1 (en) 2019-04-25

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